7999506 has 16 divisors (see below), whose sum is σ = 17776800. Its totient is φ = 2666484.

The previous prime is 7999501. The next prime is 7999507. The reversal of 7999506 is 6059997.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7999501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74016 + ... + 74123.

It is an arithmetic number, because the mean of its divisors is an integer number (1111050).

Almost surely, 2^7999506 is an apocalyptic number.

7999506 is an abundant number, since it is smaller than the sum of its proper divisors (9777294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7999506 is a wasteful number, since it uses less digits than its factorization.

7999506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148150 (or 148144 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 7999506 is about 2828.3397957106. The cubic root of 7999506 is about 199.9958832486.

The spelling of 7999506 in words is "seven million, nine hundred ninety-nine thousand, five hundred six".